Hello, I have an iPhone 3G and would like to use it to replace my land line. I have the Apple docking station as well. I want to be able keep the phone on the dock which is connected to a computer at all times to charge and the dock has external speakers plugged into the line out port. When the phone rings I would like to have the ringer play through the external speakers so I can hear it where ever I maybe. I tried this earlier and it does not work. The ringer continues to play out of its built in speaker. Is there anything I can do to make it happen? Thanks.